| 机载真实孔径雷达在中小尺度区域海洋遥感中的应用 |
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| 引用本文： | 张雪虎,Mark A Sletten,罗立,晏磊.机载真实孔径雷达在中小尺度区域海洋遥感中的应用[J].遥感技术与应用,2005,20(1):127-132. |
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| 作者姓名： | 张雪虎 Mark A Sletten 罗立 晏磊 |
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| 作者单位： | ( 1. 北京大学遥感与地理信息系统研究所, 北京 100871; 2. Dept of Electrical & Computer Engineering ,University of Massachusetts, Amherst , USA; 3. Naval Research Laboratory , USA ) |
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| 摘 要： | 详细介绍一个适用于中小尺度区域海洋遥感图像采集和科学研究的双极化X 波段机载真实孔径雷达。这个真实孔径雷达曾参加1996 年度、1997 年度和1999 年度美国海军实验室主持的切萨皮克湾( Chesapeake Bay) 淡水层实地考察实验。实验结果表明应用民用产品集成的廉价机载实孔径雷达可以成为研究中小型海洋现象, 如油层污染, 内波和海口淡水层及其边缘等的高性价比的有力遥感工具。文章还探讨了应用于海洋表面遥感的机载真实孔径雷达的系统设计, 最优参数和实践中的局限性。
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| 关 键 词： | 机载雷达 真实孔径雷达 海洋遥感 |
| 文章编号： | 1004-0323(2005)01-0127-06 |
| 修稿时间： | 2004年10月22 |
An Airborne Real Aperture Radar for Submesoscale Ocean Remote Sensing |
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| ZHANG Xue-hu,David McLaughlin,Elisabeth M Twarog,Mark A Sletten,Luo Li,Yan Lei.An Airborne Real Aperture Radar for Submesoscale Ocean Remote Sensing[J].Remote Sensing Technology and Application,2005,20(1):127-132. |
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| Authors: | ZHANG Xue-hu David McLaughlin Elisabeth M Twarog Mark A Sletten Luo Li Yan Lei |
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| Affiliation: | ( 1. Institute of Remote Sensing and GIS, Peking University , Beijing 100871, China; 2. Department of Electrical and Computer Engineering, Univ ersity of Massachusett s, Amherst, MA , USA ; 3. Remote Sensing Division, Naval Research Laboratory , 4555 Overlook Ave. SW, Washington DC 20375, USA ) |
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| Abstract: | This paper presents a dual-polarized X-band airborne real-aperture radar (RAR) that is suitable for submesoscale ocean imaging and research. The airborne RAR was flown during the Chesapeake Bay Outflow Plume Experiment (COPE) in 1996, 1997 and 1999. Sample results from the COPE experiment are presented here to demonstrate that an inexpensive airborne RAR constructed using commercial off-the-shelf products can be a powerful and cost-effective remote sensing tool for studying submesoscale oceanic processes and features such as oceanic slicks, internal waves and estuarine outflow plumes and their associated fronts. The effectiveness of airborne RAR in these applications is due to its unique capabilities of high sampling frame rate, low cost real-time image processing and large incidence angles. System trade-off study is also carried out to determine the optimal radar configurations and limitations of the airborne RARs in imaging the ocean surface. |
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| Keywords: | Airborne radar Real aperture radar Ocean remote sensing |
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